Dam	Country	Cubic Yds
1. Three Gorges	China	39,300,000
2. Syncrude Tailings	Canada	540,000
3. Chapeton	Argentina	296,200
4. Pati	Argentina	238,180
5. New Cornelia Tailings	United States	209,500
6. Tarbela	Pakistan	121,720
7. Kambaratinsk	Kyrgyzstan	112,200
8. Fort Peck	Montana	96,049
9. Lower Usuma	Nigeria	93,000
10. Cipasang	Indonesia	90,000